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Process and application of meltblown non-woven fabric

by:XINYU Non-woven     2022-02-08

Melt-blown non-woven fabric technology has been introduced to China for only a few decades. China has introduced meltblown production lines since the 1990s. Eighteen years ago, a foreign SMS online composite production line was introduced. Due to the high purchase price of equipment and high production and operation costs, the price of meltblown products is high, and the lack of understanding of product performance and use has delayed the opening of the meltblown market, and related companies are struggling and operating bleakly. In the fight against SARS, meltblown and SMS non-woven fabrics demonstrated excellent protection and isolation functions, and gained new recognition and favor from the market, which led to a round of large-scale expansion. In recent years, with the continuous development of meltblown technology, the application of meltblown non-woven fabrics has also been continuously expanded and extended to various fields.

Process of Meltblown Nonwovens

Polymer Feeding---Melting Extrusion---Fiber Forming---Fiber Cooling---Web Forming--- Reinforced into cloth.

Characteristics and applications of meltblown non-woven fabrics

1. The web is composed of extremely fine short fibers.

2. The uniformity of the fiber web is good and the hand feels soft.

3. Good filtration performance and liquid absorption performance.

4. The strength of the fiber web is poor.

Product application: filter materials, medical and health materials, clothing materials, battery separator materials, wiping materials.

Market situation and development space

China is a big producer of spunbond meltblown nonwovens, and the actual output of spunbond meltblown nonwovens is about 2 million tons per year. Five years ago, the actual output of spunmelt nonwovens in the whole industry reached 1.91 million tons, an increase of 15.42% over the previous year. Among them, the output of spunbond nonwovens accounts for 98% of the output of the entire spunmelt industry, and the output of meltblown nonwovens accounts for only 2.05%.

The main reason for the slow growth in the output of meltblown nonwovens is that the scope of application is relatively narrow and the product types are relatively single. However, the special properties of meltblown non-woven fabrics are still irreplaceable in some applications. Chinese meltblown products are mainly used in market fields such as isolation protection, filtration separation, thermal insulation and sound insulation, oil absorbing materials, and battery separators.

It is reported that there is a large demand for this meltblown non-woven fabric in the automotive field at present. Compared with the traditional recycled textile felt, this meltblown sound-absorbing material has the characteristics of light weight, low combustion, environmental protection and good sound-absorbing effect, and is welcomed by domestic automobile manufacturers. In addition, as a building thermal insulation, sound insulation material, its development space is very large.

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